Yosemite National Park, California

Regional Weather Alerts


     

Alert: Wind Advisory
Area(s): Northwest Plateau; Eastern Sierra Slopes of Inyo County; Owens Valley; White Mountains of Inyo County; Death Valley National Park; Lincoln County; Northeast Clark County; Western Clark and Southern Nye County; Sheep Range; Spring Mountains-Red Rock Canyon; Las Vegas Valley
Effective: 2026-04-15 @ 2:41 am -> 2026-04-17 @ 7:00 am
Onset: 2026-04-16 @ 1:00 pm -> 2026-04-15 @ 5:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Las Vegas NV on 2026-04-15 @ 2:41 am
Headline: Wind Advisory issued April 15 at 12:41AM PDT until April 17 at 5:00AM PDT by NWS Las Vegas NV
Description: * WHAT...Thursday, southwest winds 15 to 25 mph with gusts up to 40
mph expected. Thursday night and Friday, north-northwest winds 15
to 25 mph with gusts up to 45 mph expected.

* WHERE...Portions of northwestern Arizona, southeastern California,
and south-central and southern Nevada.

* WHEN...From 11 AM PDT / MST Thursday to 5 AM PDT / MST Friday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
Winds this strong can make driving difficult, especially for
high-profile vehicles, particularly along east-west thoroughfares
including Interstate 15 and Interstate 40.

Alert: Wind Advisory
Area(s): Northwest Deserts; Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin; Cadiz Basin; Southern Clark County
Effective: 2026-04-15 @ 2:41 am -> 2026-04-17 @ 1:00 pm
Onset: 2026-04-16 @ 1:00 pm -> 2026-04-15 @ 5:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Las Vegas NV on 2026-04-15 @ 2:41 am
Headline: Wind Advisory issued April 15 at 12:41AM PDT until April 17 at 11:00AM PDT by NWS Las Vegas NV
Description: * WHAT...Thursday, southwest winds 15 to 25 mph with gusts up to 40
mph expected. Thursday night and Friday, north-northwest winds 15
to 25 mph with gusts up to 45 mph expected.

* WHERE...In Arizona, Northwest Deserts. In California, Cadiz Basin,
Eastern Mojave Desert, Morongo Basin, and Western Mojave Desert.
In Nevada, Southern Clark County.

* WHEN...From 11 AM PDT / MST Thursday to 11 AM PDT / MST Friday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
Winds this strong can make driving difficult, especially for
high-profile vehicles, particularly along east-west thoroughfares
including Interstate 15 and Interstate 40.

Alert: Wind Advisory
Area(s): Lake Havasu and Fort Mohave; Lake Mead National Recreation Area; San Bernardino County-Upper Colorado River Valley; Lake Mead National Recreation Area
Effective: 2026-04-15 @ 2:41 am -> 2026-04-17 @ 7:00 pm
Onset: 2026-04-16 @ 1:00 pm -> 2026-04-15 @ 5:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Las Vegas NV on 2026-04-15 @ 2:41 am
Headline: Wind Advisory issued April 15 at 12:41AM PDT until April 17 at 5:00PM PDT by NWS Las Vegas NV
Description: * WHAT...Thursday, south-southwest winds 15 to 25 mph with gusts up
to 40 mph expected. Thursday night through Friday, north winds 25
to 35 mph with gusts up to 50 mph expected.

* WHERE...Lake Mead National Recreation Area, Lake Havasu and Fort
Mohave, and San Bernardino County-Upper Colorado River Valley.

* WHEN...From 11 AM PDT / MST Thursday to 5 PM PDT / MST Friday.

* IMPACTS...Winds this strong can make driving difficult, especially
for high-profile vehicles, particularly along east-west
thoroughfares including Interstate 40. Strong winds will elevate
wave heights on Lake Mead, Lake Mohave, and Lake Havasu to between
2 and 4 feet, making boating dangerous, especially for small craft.

* ADDITIONAL DETAILS...Isolated gusts to 60 mph are possible near
Laughlin, Bullhead City, and Katherine Landing. These gusts are
expected to be isolated in space and time.

Alert: Wind Advisory
Area(s): Surprise Valley California; Northern Washoe County
Effective: 2026-04-15 @ 2:06 am -> 2026-04-16 @ 1:00 am
Onset: 2026-04-15 @ 1:00 pm -> 2026-04-16 @ 7:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Reno NV on 2026-04-15 @ 2:06 am
Headline: Wind Advisory issued April 15 at 12:06AM PDT until April 15 at 11:00PM PDT by NWS Reno NV
Description: * WHAT...For the Wind Advisory, west winds 20 to 30 mph with gusts
up to 50 mph. For the Freeze Watch, sub-freezing temperatures with
lows 20 to 25 degrees Friday morning.

* WHERE...In California, Surprise Valley California. In Nevada,
Northern Washoe County.

* WHEN...For the Wind Advisory, from 11 AM this morning to 11 PM PDT
this evening. For the Freeze Watch, from Thursday evening through
Friday morning.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
Blowing dust downwind of desert sinks may reduce visibilities.
Frost and freeze conditions could kill crops, other sensitive
vegetation and possibly damage unprotected outdoor plumbing.

Alert: Lake Wind Advisory
Area(s): Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: 2026-04-15 @ 2:06 am -> 2026-04-16 @ 9:00 am
Onset: 2026-04-15 @ 4:00 pm -> 2026-04-16 @ 7:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Reno NV on 2026-04-15 @ 2:06 am
Headline: Lake Wind Advisory issued April 15 at 12:06AM PDT until April 16 at 7:00AM PDT by NWS Reno NV
Description: * WHAT...Southwest winds 20 to 25 mph with gusts up to 35 mph and
wave heights 1 to 3 feet.

* WHERE...Greater Lake Tahoe Area.

* WHEN...From 2 PM this afternoon to 7 AM PDT Thursday.

* IMPACTS...Small boats, kayaks and paddle boards will be prone to
capsizing and should remain off lake waters until conditions
improve.

Alert: Freeze Watch
Area(s): Surprise Valley California; Northern Washoe County
Effective: 2026-04-15 @ 2:06 am -> 2026-04-17 @ 10:00 am
Onset: 2026-04-17 @ 1:00 am -> 2026-04-16 @ 7:00 am
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Reno NV on 2026-04-15 @ 2:06 am
Headline: Freeze Watch issued April 15 at 12:06AM PDT until April 17 at 8:00AM PDT by NWS Reno NV
Description: * WHAT...For the Wind Advisory, west winds 20 to 30 mph with gusts
up to 50 mph. For the Freeze Watch, sub-freezing temperatures with
lows 20 to 25 degrees Friday morning.

* WHERE...In California, Surprise Valley California. In Nevada,
Northern Washoe County.

* WHEN...For the Wind Advisory, from 11 AM this morning to 11 PM PDT
this evening. For the Freeze Watch, from Thursday evening through
Friday morning.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
Blowing dust downwind of desert sinks may reduce visibilities.
Frost and freeze conditions could kill crops, other sensitive
vegetation and possibly damage unprotected outdoor plumbing.

Alert: Freeze Watch
Area(s): Lassen-Eastern Plumas-Eastern Sierra Counties
Effective: 2026-04-15 @ 2:06 am -> 2026-04-17 @ 10:00 am
Onset: 2026-04-17 @ 1:00 am -> 2026-04-16 @ 7:00 am
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Reno NV on 2026-04-15 @ 2:06 am
Headline: Freeze Watch issued April 15 at 12:06AM PDT until April 17 at 8:00AM PDT by NWS Reno NV
Description: * WHAT...Sub-freezing temperatures with lows 21 to 27 degrees Friday
morning.

* WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties.

* WHEN...From Thursday evening through Friday morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.

Alert: Wind Advisory
Area(s): Modoc County; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County
Effective: 2026-04-14 @ 10:42 pm -> 2026-04-15 @ 10:00 pm
Onset: 2026-04-15 @ 1:00 pm -> 2026-04-15 @ 7:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Medford OR on 2026-04-14 @ 10:42 pm
Headline: Wind Advisory issued April 14 at 8:42PM PDT until April 15 at 8:00PM PDT by NWS Medford OR
Description: * WHAT...Southwest winds 30 to 40 mph with gusts up to 55 mph
expected.

* WHERE...Portions of Lake, Modoc, and far eastern Klamath counties,
including mostly the higher terrain of Winter Rim, the Warner and
Hart mountains, but also including Paisley, Summer Lake, Valley
Falls, Wagontire, and parts of highways 140, 395, 31 and 299.

* WHEN...From 11 AM to 8 PM PDT Wednesday.

* IMPACTS...Gusty winds will blow around unsecured objects and a few
power outages may result.

Alert: Freeze Watch
Area(s): Western Siskiyou County; Eastern Curry County and Josephine County
Effective: 2026-04-14 @ 10:42 pm -> 2026-04-17 @ 11:00 am
Onset: 2026-04-17 @ 5:00 am -> 2026-04-15 @ 7:00 am
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Medford OR on 2026-04-14 @ 10:42 pm
Headline: Freeze Watch issued April 14 at 8:42PM PDT until April 17 at 9:00AM PDT by NWS Medford OR
Description: * WHAT...Sub-freezing temperatures near 30 to 32 degrees as low as
27 possible.

* WHERE...In California, portions of the Klamath River Valley in
Western Siskiyou County. In Oregon, Eastern Curry County and
Josephine County, including the Illinois Valley.

* WHEN...From late Thursday night through Friday morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.

Alert: Wind Advisory
Area(s): Santa Barbara County Southwestern Coast; Santa Ynez Mountains Western Range
Effective: 2026-04-14 @ 1:57 pm -> 2026-04-15 @ 5:00 am
Onset: 2026-04-14 @ 7:00 pm -> 2026-04-15 @ 5:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Los Angeles/Oxnard CA on 2026-04-14 @ 1:57 pm
Headline: Wind Advisory issued April 14 at 11:57AM PDT until April 15 at 3:00AM PDT by NWS Los Angeles/Oxnard CA
Description: * WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph
expected.

* WHERE...Santa Barbara County Southwestern Coast and Santa Ynez
Mountains Western Range.

* WHEN...From 5 PM this afternoon to 3 AM PDT Wednesday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.